/*
 * Copyright (c) 2000 jPOS.org.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *    "This product includes software developed by the jPOS project
 *    (http://www.jpos.org/)". Alternately, this acknowledgment may
 *    appear in the software itself, if and wherever such third-party
 *    acknowledgments normally appear.
 *
 * 4. The names "jPOS" and "jPOS.org" must not be used to endorse
 *    or promote products derived from this software without prior
 *    written permission. For written permission, please contact
 *    license@jpos.org.
 *
 * 5. Products derived from this software may not be called "jPOS",
 *    nor may "jPOS" appear in their name, without prior written
 *    permission of the jPOS project.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE JPOS PROJECT OR ITS CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the jPOS Project.  For more
 * information please see <http://www.jpos.org/>.
 */

package com.nasoft.iso.packager;

import java.util.Hashtable;

import com.nasoft.iso.ISOBasePackager;
import com.nasoft.iso.ISOBaseValidator;
import com.nasoft.iso.ISOComponent;
import com.nasoft.iso.ISOException;
import com.nasoft.iso.ISOFieldValidator;
import com.nasoft.iso.ISOMsg;
import com.nasoft.iso.ISOValidator;
import com.nasoft.iso.validator.ISOVException;
import com.nasoft.util.LogEvent;
import com.nasoft.util.Logger;


/**
 * Base Packager class envolving validators. It implements ISOValidator
 * interface and define an implementation for validate method. Validation is for
 * composed components.
 * <p>
 * Title: jPOS
 * </p>
 * <p>
 * Description: Java Framework for Financial Systems
 * </p>
 * <p>
 * Copyright: Copyright (c) 2000 jPOS.org. All rights reserved.
 * </p>
 * <p>
 * Company: www.jPOS.org
 * </p>
 * 
 * @author Jose Eduardo Leon
 * @version 1.0
 */
public class ISOBaseValidatingPackager extends ISOBasePackager implements
    ISOValidator
{

  public ISOBaseValidatingPackager()
  {
    super();
  }

  public ISOComponent validate(ISOComponent m) throws ISOException
  {
    LogEvent evt = new LogEvent(this, "validate");
    try
    {
      ISOComponent c;
      Hashtable fields = ((ISOMsg) m).getChildren();
      // int len = 0;
      // int first = 0;
      // byte[] b;
      /** Field validations * */
      for (int i = 0; i < fldVld.length; i++)
      {
        if (fldVld[i] != null
            && (c = (ISOComponent) fields.get(new Integer(
                ((ISOFieldValidator) fldVld[i]).getFieldId()))) != null)
        {
          try
          {
            m.set(fldVld[i].validate(c));
          } catch (ISOVException e)
          {
            if (!e.treated())
            {
              m.set(e.getErrComponent());
              e.setTreated(true);
            }
            evt.addMessage("Component Validation Error.");
            throw e;
          }
        }
      }
      /** msg validations * */
      try
      {
        if (msgVld != null)
        {
          for (int i = 0; i < this.msgVld.length; i++)
          {
            if (msgVld[i] != null)
              m = msgVld[i].validate(m);
          }
        }
      } catch (ISOVException ex)
      {
        evt.addMessage("Component Validation Error.");
        throw ex;
      }
      return m;
    } finally
    {
      Logger.log(evt);
    }
  }

  // public void setFieldValidator( ISOFieldValidator[] fvlds ){
  // this.fldVld = fvlds;
  // }

  public void setFieldValidator(ISOValidator[] fvlds)
  {
    this.fldVld = fvlds;
  }

  public void setMsgValidator(ISOBaseValidator[] msgVlds)
  {
    this.msgVld = msgVlds;
  }

  /** Message level validators * */
  protected ISOBaseValidator[] msgVld;
  /** field validator array. * */
  // protected ISOFieldValidator[] fldVld;
  protected ISOValidator[]     fldVld;
}